Front sight for a firearm



FIG. 1 is a perspective view of a "front sight for a firearm," showing my new design from the rear;

FIG. 2 is an elevational view of the left side of the sight, and the opposite side view being a mirror image thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a front elevational view thereof. 

The ornamental design for a "front sight for a firearm," as shown and described. 